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P54.2 Digital Amplifier for Audio Use​

Our P54.2 2-channel digital power amplifier is a high-performance, ultra-powerful amplifier designed for professional sound reinforcement, touring, and large-scale installations. With 2300W per channel at 8 ohms, this rack-mount Class D amplifier delivers massive power with pristine audio clarity, making it ideal for demanding live sound, DJ setups, and permanent installations. The sleek 1.5U chassis ensures space efficiency, while its lightweight design enhances portability for mobile sound systems.
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  • P54.2

  • AUWAY



Model

P54.2

8Ω Stereo

2x2300W

4Ω Stereo

2x4600W

2Ω Stereo

2x5400W

8Ω Bridge

NA

4Ω Bridge

NA

Channels

4

THD+N ( 1KHz AT 1W)

0.05 typically

Dynamic

112dB(A)

Response(20-20KHz AT 1W)

+/- 0.35dB

Noise floor

116uV(A)

Sampling

>192KHz

Efficiency @8Ω

92.1%

Sensitivity & Gain

1.40V@36.9dB/33.9dB/30.9dB

Input Impedence

Balance 9.5Kohm/un-balance4.75Kohm

Indicators

faulty/clip/load/output/present/standby/active

Output connector

NEUTRIK ® Speakon® NL4-MP x4

Input connector

NEUTRIK XLR NC3MAAV-1 x4 /NC3FAAV2-0 x4

Power

100-240V~50-60Hz

Chassis

Zinc-Plating Steel

Cooling

3 Silent Bearing DC Fan

Net weight

8.9kg

Gross weight

11.4kg

Shipping dimension

590x490x155 MM



P54.2 2x2300W Class D Amplifier: 1.5U Rack + 92.1% Efficiency, High-Power Choice for Mobile Scenarios


The P54.2 Professional 2-Channel Digital Power Amplifier is a space-efficient Class D unit for live sound and large installations. It delivers 2x2300W @8Ω, 2x4600W @4Ω, 2x5400W @2Ω—all in a 1.5U rack chassis (8.9KG net). A switching power supply (SMPS) ensures voltage stability, while optional DSP (EQ, crossover, protection) adds flexibility. Audio specs: <0.05% THD (1KHz @1W), 20Hz-20kHz (±0.35dB), 112dB dynamic range. Connectivity: XLR&TRS combo inputs, NEUTRIK Speakon NL4-MP outputs, plus three-fan cooling.


2-channel power amplifier


Core Advantages: 1.5U High Power + Mobile Scenario Adaptation


1.5U Rack Design: 25% Space Savings vs. 2U Amplifiers, Efficient Integration for Portable Rigs

The 1.5U chassis saves rack space for mixers/effects—critical for mobile DJs or touring bands with limited rack room. It delivers 2x2300W (enough for large venues) in a compact form.


92.1% Class D Efficiency: 30% Longer Battery Life for Mobile Power, Suitable for Outdoor Scenarios

High efficiency reduces power use vs. Class AB, cutting electricity costs for installations and extending battery life for outdoor events (e.g., festivals, street performances).


Lightweight 8.9KG: Easy Single-Person Transport, Improves Mobile Setup Efficiency

At 8.9KG, it is significantly lighter than comparable Class AB amplifiers (15KG+). This simplifies transport for DJs/bands that set up/tear down frequently.


Optional DSP + Versatile Interfaces: Adaptable to Different Scenarios, No Need for External Processors

Optional DSP supports parametric EQ, crossovers, and speaker protection—eliminating external processors. XLR&TRS combo inputs accept balanced/unbalanced signals, matching mixers or DJ controllers.


Application Scenarios: Mobile Sound + Large Installations


Large-Venue Live Sound: High Power + Portability, Coverage for 3000+ Attendees

Concert/Festival Main PA: 2x2300W @8Ω powers main speakers in 3000+ capacity venues for bands/electronic acts.

Subwoofer Amplification: 2x5400W @2Ω drives large subwoofer arrays, enhancing low-end for hip-hop/EDM.

Outdoor Event Sound: SMPS power supply and lightweight design make it ideal for festivals/fairs with portable power.


Mobile DJ/Touring: Lightweight + High Efficiency, Convenient Setup

Mobile DJ Rigs: High power and light weight power speakers for weddings/parties. Optional DSP simplifies tuning for halls/ballrooms.

Band Touring Rigs: Powers stage monitors/main PA, with Class D efficiency reducing generator fuel costs.

Rental Inventory: Versatility (live/installations) and durability reduce maintenance, increasing rental frequency.


Fixed Installations: High Efficiency + Low Noise, Stable for Extended Operation

Megachurch/Stadium Sound: High power and efficiency drive distributed speakers for clear coverage.

Conference Hall Audio: Powers main/ceiling speakers, ensuring presentations are heard clearly.

Nightclub Main Floors: <0.05% THD handles high-volume EDM/hip-hop without distortion.


Frequently Asked Questions (FAQs): Focused on Mobile Scenarios & Efficiency


Is the P54.2’s DSP Standard or Optional? Do Its Functions Meet Professional Tuning Needs?

DSP is optional: the base model offers pure amplification; the DSP model includes EQ, crossovers, and protection. It meets most professional needs, with front-panel/remote control (depending on configuration).


P54.2 Noise Floor: Is 116uV(A) Suitable for Quiet Scenarios (Conference Rooms)?

Yes—the 116uV(A) noise floor is extremely low, suitable for quiet environments like conference rooms or theaters. Class D design and SMPS minimize electrical noise.


Can the P54.2 Be Used with Battery Power? How Much Does Efficiency Improve Battery Life?

Yes—92.1% efficiency extends battery life by ~30% vs. Class AB amplifiers. Ideal for outdoor weddings/street performances with portable power.


P54.2 vs. A44/A46: How Do Core Differences Impact Selection?

P54.2: 2-channel rack amp (1.5U, 2x2300W) for standalone use (main PA/subwoofers). A44/A46: 4-channel modules for active speaker integration (DIY/OEM).


digital amplifierHigh-power PA amplifier

2-channel power amplifier

digital amplifier

High-power PA amplifier

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